"We didn't know which direction they had gone in, so we were faced with a massive search area," Sergeant Pennington said.
"That's another key reason why it's really important to let people know where you are going and what time you will be back. That way, if you get into trouble, the likelihood of you being found quickly is much greater, as the search area can be more accurately pin-pointed."
Sergeant Pennington was grateful for DOC's support, and also thanked the locals that helped.
"It was excellent to have people with local networks and knowledge of the area involved; it made the search much easier," he said.
"Although it's frustrating to have to launch an operation unnecessarily, we are all delighted that the people are safe and sound."
Meanwhile a 57-year-old Australian man, his wife and two young children survived a scare on the walking track from the top of the Herekino Gorge to Pukepoto on Wednesday. A police spokesman said the track had become overgrown and difficult to follow in places, and the family found themselves on a pig/stock track that finally petered out.
They were found, largely thanks to local knowledge, just before dark after a two-hour search and were none the worse for their experience.